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34a6b7d093
With a filter function you can control more precisely which controls are added. This is useful in particular for radio device nodes for combined TV/Radio cards where you want to show just the radio-specific controls and not controls like brightness. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
tlg2300 release notes ==================== This is a v4l2/dvb device driver for the tlg2300 chip. current status ============== video - support mmap and read().(no overlay) audio - The driver will register a ALSA card for the audio input. vbi - Works for almost TV norms. dvb-t - works for DVB-T FM - Works for radio. --------------------------------------------------------------------------- TESTED APPLICATIONS: -VLC1.0.4 test the video and dvb. The GUI is friendly to use. -Mplayer test the video. -Mplayer test the FM. The mplayer should be compiled with --enable-radio and --enable-radio-capture. The command runs as this(The alsa audio registers to card 1): #mplayer radio://103.7/capture/ -radio adevice=hw=1,0:arate=48000 \ -rawaudio rate=48000:channels=2 --------------------------------------------------------------------------- KNOWN PROBLEMS: about preemphasis: You can set the preemphasis for radio by the following command: #v4l2-ctl -d /dev/radio0 --set-ctrl=pre_emphasis_settings=1 "pre_emphasis_settings=1" means that you select the 50us. If you want to select the 75us, please use "pre_emphasis_settings=2"